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Published byAudrey Walker Modified over 11 years ago
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SMALL INTESTINE Villi: Fingerlike projections to increase surface area X 600
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VILLI
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SMALL INTESTINE Crypts: Glands between villi that produce intestinal juices.
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SMALL INTESTINE Lacteal: Center of villi, where FAT products get absorbed.
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SMALL INTESTINE Arteries and Veins: Vessel network in each villi, ABSORB amino acids and glucose.
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Veins and Arteries
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Digestion & Absorbtion 3 Big classes (4 with Nucleic acids) 1. Carbohydrates 2. Proteins 3. Lipids
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Carbohydrates Start with Starch STARCH Maltose AMYLASE
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Carbohydrates Maltose Glucose Maltase
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Carbohydrates Glucose BLOOD
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PROTEINS Start with Protein PROTEIN PEPTIDE Trypsin
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Proteins PEPTIDE Amino Acids Peptidase BLOOD
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LIPIDS FAT Start with fat FAT FAT DROPLET BILE
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LIPIDS F. Droplets Fatty Acids LIPASE Glycerols LACTEAL (Lymph System)
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LARGE INTESTINE COLOR CODE THE LARGE INTESTINE C, B, D, F, H, I, J, and K
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LARGE INTESTINE Functions: Only about 5-6 feet Main function to absorb water LOTS of bacteria
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LARGE INTESTINE Cecum: Receive digestive liquid from S.I. Compaction begins
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LARGE INTESTINE Ileocecal Valve: One way valve between cecum and ileum.
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LARGE INTESTINE Appendix: Worm like structure, no function. Inflammation???
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COLON (4) Ascending = goes up Transverse = across Descending = goes down Sigmoid = bending part
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LARGE INTESTINE Rectum: Collects feces and expels Very Muscular
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LARGE INTESTINE Defecation: Expelling of waste, some conscious control
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LARGE INTESTINE ANUS: External opening Two anal sphincter 1. Interior = involuntary 2. Exterior = voluntary
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DISORDERS Diarrhea: NOT enough water absorbed by the colon.
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As part of the digestion process, or due to fluid intake, food is mixed with large amounts of water. Thus, digested food is essentially liquid prior to reaching the colon. The colon absorbs water, leaving the remaining material as a semisolid stool. If the colon is damaged or inflamed, however, absorption is inhibited, and watery stools result.
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DISORDERS Constipation: TOO much water absorbed by the large intestine. Make sure you drink plenty of water and eat more fiber
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DISORDERS Hemorrhoids: Large veins inflamed in rectum and anus
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Hemorrhoids
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6 hours
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2-7 days
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DISORDERS Appendicitis: Inflammation of the appendix, HAVE to be removed.
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Appendicitis
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DISORDERS Colostomy: Remove parts of the colon.
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Colostomy
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DISORDERS Colon Cancer: 2 nd Leading cause of cancer death in men and women.
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The cells divided when they were not needed and formed an extra mass of tissue-cancer
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Define colonopticosis
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DISORDERS Colonopticosis: Colon = L.I. Optic = eye, see Osis = state condition
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